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<div class="refentry">
<a name="gst-plugins-bad-plugins-plugin-frei0r"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle">frei0r</span></h2>
<p>frei0r — <a name="plugin-frei0r"></a>frei0r plugin library</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="id-1.3.32.3"></a><h2>Plugin Information</h2>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">filename</span></p></td>
<td>libgstfrei0r.so</td>
</tr>
<tr>
<td><p><span class="term">version</span></p></td>
<td>0.10.23</td>
</tr>
<tr>
<td><p><span class="term">run-time license</span></p></td>
<td>LGPL</td>
</tr>
<tr>
<td><p><span class="term">package</span></p></td>
<td>GStreamer Bad Plug-ins source release</td>
</tr>
<tr>
<td><p><span class="term">origin</span></p></td>
<td>Unknown package origin</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="id-1.3.32.4"></a><h2>Elements</h2>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">frei0r-filter-3-point-color-balance</span></p></td>
<td>Adjust color balance with 3 color points</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-3dflippo</span></p></td>
<td>Frame rotation in 3d-space</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-b</span></p></td>
<td>Extracts Blue from Image</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-baltan</span></p></td>
<td>delayed alpha smoothed blit of time</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-bluescreen0r</span></p></td>
<td>Color to alpha (blit SRCALPHA)</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-brightness</span></p></td>
<td>Adjusts the brightness of a source image</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-bw0r</span></p></td>
<td>Turns image black/white.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-cartoon</span></p></td>
<td>Cartoonify video, do a form of edge detect</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-color-distance</span></p></td>
<td></td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-contrast0r</span></p></td>
<td>Adjusts the contrast of a source image</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-curves</span></p></td>
<td>Adjust luminance or color channel intensity with curve level mapping</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-dealygrab</span></p></td>
<td>delayed frame blitting mapped on a time bitmap</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-delay0r</span></p></td>
<td>video delay</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-distort0r</span></p></td>
<td>Plasma</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-edgeglow</span></p></td>
<td>Edgeglow filter</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-equaliz0r</span></p></td>
<td>Equalizes the intensity histograms</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-flippo</span></p></td>
<td>Flipping in x and y axis</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-g</span></p></td>
<td>Extracts Green from Image</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-gamma</span></p></td>
<td>Adjusts the gamma value of a source image</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-glow</span></p></td>
<td>Creates a Glamorous Glow</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-hueshift0r</span></p></td>
<td>Shifts the hue of a source image</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-invert0r</span></p></td>
<td>Inverts all colors of a source image</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-k-means-clustering</span></p></td>
<td>Clusters of a source image by color and spatial distance</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-lens-correction</span></p></td>
<td>Allows compensation of lens distortion</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-letterb0xed</span></p></td>
<td>Adds Black Borders at top and bottom for Cinema Look</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-levels</span></p></td>
<td>Adjust luminance or color channel intensity</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-luminance</span></p></td>
<td>Creates a luminance map of the image</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-mask0mate</span></p></td>
<td>Creates an square alpha-channel mask</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-nervous</span></p></td>
<td>flushes frames in time in a nervous way</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-nosync0r</span></p></td>
<td>broken tv</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-opencvfacedetect</span></p></td>
<td>detect faces</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-perspective</span></p></td>
<td>Distorts the image for a pseudo perspective</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-pixeliz0r</span></p></td>
<td>Pixelize input image.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-primaries</span></p></td>
<td>Reduce image to primary colors</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-r</span></p></td>
<td>Extracts Red from Image</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-rgb-parade</span></p></td>
<td>Displays a histogram of R, G and B of the video-data</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-saturat0r</span></p></td>
<td>Adjusts the saturation of a source image</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-scale0tilt</span></p></td>
<td>Scales, Tilts and Crops an Image</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-scanline0r</span></p></td>
<td>interlaced blak lines</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-sobel</span></p></td>
<td>Sobel filter</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-squareblur</span></p></td>
<td>Variable-size square blur</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-tehroxx0r</span></p></td>
<td>Something videowall-ish</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-threelay0r</span></p></td>
<td>dynamic 3 level thresholding</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-threshold0r</span></p></td>
<td>Thresholds a source image</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-tint0r</span></p></td>
<td>Tint a source image with specified color</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-transparency</span></p></td>
<td>Tunes the alpha channel.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-twolay0r</span></p></td>
<td>dynamic thresholding</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-vectorscope</span></p></td>
<td>Displays the vectorscope of the video-data</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-vertigo</span></p></td>
<td>alpha blending with zoomed and rotated images</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-water</span></p></td>
<td>water drops on a video surface</td>
</tr>
<tr>
<td><p><span class="term">frei0r-filter-white-balance</span></p></td>
<td>Adjust the white balance / color temperature</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-addition</span></p></td>
<td>Perform an RGB[A] addition operation of the pixel sources.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-alpha-injection</span></p></td>
<td>Averages Input 1 and uses this as Alpha Channel on Input 2</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-alphaatop</span></p></td>
<td>the alpha ATOP operation</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-alphain</span></p></td>
<td>the alpha IN operation</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-alphaout</span></p></td>
<td>the alpha OUT operation</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-alphaover</span></p></td>
<td>the alpha OVER operation</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-alphaxor</span></p></td>
<td>the alpha XOR operation</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-blend</span></p></td>
<td>Perform a blend operation between two sources</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-burn</span></p></td>
<td>Perform an RGB[A] dodge operation between the pixel sources, using the generalised algorithm:
D = saturation of 255 or depletion of 0, of ((255 - A) * 256) / (B + 1)</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-color-only</span></p></td>
<td>Perform a conversion to color only of the source input1 using the hue and saturation values of input2.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-composition</span></p></td>
<td>Composites Image 2 onto Image 1 according to its Alpha Channel</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-darken</span></p></td>
<td>Perform a darken operation between two sources (minimum value of both sources).</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-difference</span></p></td>
<td>Perform an RGB[A] difference operation between the pixel sources.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-divide</span></p></td>
<td>Perform an RGB[A] divide operation between the pixel sources: input1 is the numerator, input2 the denominator</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-dodge</span></p></td>
<td>Perform an RGB[A] dodge operation between the pixel sources, using the generalised algorithm:
D = saturation of 255 or (A * 256) / (256 - B)</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-grain-extract</span></p></td>
<td>Perform an RGB[A] grain-extract operation between the pixel sources.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-grain-merge</span></p></td>
<td>Perform an RGB[A] grain-merge operation between the pixel sources.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-hardlight</span></p></td>
<td>Perform an RGB[A] hardlight operation between the pixel sources</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-hue</span></p></td>
<td>Perform a conversion to hue only of the source input1 using the hue of input2.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-lighten</span></p></td>
<td>Perform a lighten operation between two sources (maximum value of both sources).</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-multiply</span></p></td>
<td>Perform an RGB[A] multiply operation between the pixel sources.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-overlay</span></p></td>
<td>Perform an RGB[A] overlay operation between the pixel sources, using the generalised algorithm:
D = A * (B + (2 * B) * (255 - A))</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-rgb</span></p></td>
<td>Averages each Input and uses each as R, G or B channel of the Output</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-saturation</span></p></td>
<td>Perform a conversion to saturation only of the source input1 using the saturation level of input2.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-screen</span></p></td>
<td>Perform an RGB[A] screen operation between the pixel sources, using the generalised algorithm:
D = 255 - (255 - A) * (255 - B)</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-softlight</span></p></td>
<td>Perform an RGB[A] softlight operation between the pixel sources.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-subtract</span></p></td>
<td>Perform an RGB[A] subtract operation of the pixel source input2 from input1.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-uv-map</span></p></td>
<td>Uses Input 1 as UV Map to distort Input 2</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-value</span></p></td>
<td>Perform a conversion to value only of the source input1 using the value of input2.</td>
</tr>
<tr>
<td><p><span class="term">frei0r-mixer-xfade0r</span></p></td>
<td>a simple xfader</td>
</tr>
<tr>
<td><p><span class="term">frei0r-src-ising0r</span></p></td>
<td>Generates ising noise</td>
</tr>
<tr>
<td><p><span class="term">frei0r-src-lissajous0r</span></p></td>
<td>Generates Lissajous0r images</td>
</tr>
<tr>
<td><p><span class="term">frei0r-src-nois0r</span></p></td>
<td>Generates white noise images</td>
</tr>
<tr>
<td><p><span class="term">frei0r-src-onecol0r</span></p></td>
<td>image with just one color</td>
</tr>
<tr>
<td><p><span class="term">frei0r-src-partik0l</span></p></td>
<td>Particles generated on prime number sinusoidal blossoming</td>
</tr>
<tr>
<td><p><span class="term">frei0r-src-plasma</span></p></td>
<td>Demo scene 8bit plasma</td>
</tr>
</tbody>
</table></div>
</div>
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